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Fractions decimals and percentages year 9

Edit 0 1 …
All
• Recognise that a recurring decimal is a fraction; use division to convert a fraction to a decimal; order fractions by writing them with a common denominator or by converting them to decimals
• Add and subtract fractions by writing them with a common denominator; calculate fractions of quantities (fraction answers); multiply and divide an integer by a fraction
• Interpret percentage as the operator ‘so many hundredths of’ and express one given number as a percentage of another; calculate percentages and find the outcome of a given percentage increase or decrease
• Use the equivalence of fractions, decimals and percentages to compare proportions
Most
• Understand the equivalence of simple algebraic fractions; know that a recurring decimal is an exact fraction
• Use efficient methods to add, subtract, multiply and divide fractions, interpreting division as a multiplicative inverse; cancel common factors before multiplying or dividing
• Recognise when fractions or percentages are needed to compare proportions; solve problems involving percentage changes
Some
• Distinguish between fractions with denominators that have only prime factors 2 or 5 (terminating decimals), and other fractions (recurring decimals)
• Understand and apply efficient methods to add, subtract, multiply and divide fractions, interpreting division as a multiplicative inverse
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